20565404188

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{9297199}}^1$

素因数の和:9297289

約数の個数: 24

約数和(自身を含む): 41651456000

約数和(自身を除く): 21086051812

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 9297199, 18594398, 37188796, 65080393, 130160786, 260321572, 734478721, 1468957442, 2937914884, 5141351047, 10282702094, 20565404188]

約数ペア:

[(1, 20565404188), (2, 10282702094), (4, 5141351047), (7, 2937914884), (14, 1468957442), (28, 734478721), (79, 260321572), (158, 130160786), (316, 65080393), (553, 37188796), (1106, 18594398), (2212, 9297199)]